<template>
  <div class="screen-container" :style="containerStyle">
    <header class="screen-header">
      <div>
        <img :src="headerSrc" alt="">
      </div>
      <span class="title">电商平台实时监控系统</span>
      <div class="title-right">
        <img :src="themeSrc" class="qiehuan" @click="handleChangeTheme()">
        <span class="datetime">{{currentTime}}</span>
      </div>
    </header>
    <div class="screen-body">
      <section class="screen-left">
        <!-- 动态的控制全屏样式 -->
        <div id="left-top" :class="[fullScreenStatus.trend ? 'fullscreen' : '']">
          <!-- 销量趋势图表 -->
          <Trend ref="trend"></Trend>
          <div class="resize">
            <!-- icon-compress-alt -->
            <span @click="changeSize('trend')" :class="['iconfont', fullScreenStatus.trend ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
          </div>
        </div>
        <div id="left-bottom" :class="[fullScreenStatus.seller ? 'fullscreen' : '']">
          <!-- 商家销售金额图表 -->
          <Seller ref="seller"></Seller>
          <div class="resize">
            <!-- icon-compress-alt -->
            <span @click="changeSize('seller')" :class="['iconfont', fullScreenStatus.seller ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
          </div>
        </div>
      </section>
      <section class="screen-middle">
        <div id="middle-top" :class="[fullScreenStatus.map ? 'fullscreen' : '']">
          <!-- 商家分布图表 -->
          <Map ref="map"></Map>
          <div class="resize">
            <!-- icon-compress-alt -->
            <span @click="changeSize('map')" :class="['iconfont', fullScreenStatus.map ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
          </div>
        </div>
        <div id="middle-bottom" :class="[fullScreenStatus.rank ? 'fullscreen' : '']">
          <!-- 地区销量排行图表 -->
          <Rank ref="rank"></Rank>
          <div class="resize">
            <!-- icon-compress-alt -->
            <span @click="changeSize('rank')" :class="['iconfont', fullScreenStatus.rank ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
          </div>
        </div>
      </section>
      <section class="screen-right">
        <div id="right-top" :class="[fullScreenStatus.hot ? 'fullscreen' : '']">
          <!-- 热销商品占比图表 -->
          <Hot ref="hot"></Hot>
          <div class="resize">
            <!-- icon-compress-alt -->
            <span @click="changeSize('hot')" :class="['iconfont', fullScreenStatus.hot ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
          </div>
        </div>
        <div id="right-bottom" :class="[fullScreenStatus.stock ? 'fullscreen' : '']">
          <!-- 库存销量分析图表 -->
          <Stock ref="stock"></Stock>
          <div class="resize">
            <!-- icon-compress-alt -->
            <span @click="changeSize('stock')" :class="['iconfont', fullScreenStatus.stock ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
          </div>
        </div>
      </section>
    </div>
  </div>
</template>

<script>
import Hot from '@/components/Hot.vue';
import Map from '@/components/Map.vue';
import Rank from '@/components/Rank.vue';
import Seller from '@/components/Seller.vue';
import Stock from '@/components/Stock.vue';
import Trend from '@/components/Trend.vue';
import { dateFormatter } from '../utils/timeChange';
import { mapState } from 'vuex';
import { getThemeValue } from '@/utils/theme_utils';
export default {
  components: {
    Hot,
    Map,
    Rank,
    Seller,
    Stock,
    Trend,
    Stock,
  },
  data() {
    return {
      currentTime: '',
      // 定义每一个图表全屏的状态
      fullScreenStatus: {
        trend: false,
        seller: false,
        map: false,
        rank: false,
        hot: false,
        stock: false,
      },
    };
  },
  created() {
    setInterval(() => {
      this.showCurrentTime();
    }, 1000);
  },
  destroyed() {},
  computed: {
    headerSrc() {
      return '/static/img/' + getThemeValue(this.theme).headerBorderSrc;
    },
    themeSrc() {
      return '/static/img/' + getThemeValue(this.theme).themeSrc;
    },
    containerStyle() {
      return {
        backgroundColor: getThemeValue(this.theme).backgroundColor,
        color: getThemeValue(this.theme).titleColor,
      };
    },
    ...mapState(['theme']),
  },
  methods: {
    changeSize(chartName) {
      // 1.改变fullScreenStatus的数据
      this.fullScreenStatus[chartName] = !this.fullScreenStatus[chartName];
      // 2.需要调用每一个图表组件的screenAdapter的方法
      this.$refs[chartName].screenAdapter();
      this.$nextTick(() => {
        this.$refs[chartName].screenAdapter();
      });
    },
    // 当前时间
    showCurrentTime() {
      const date = new Date();
      this.currentTime = dateFormatter(date);
    },
    handleChangeTheme() {
      // 修改vuex中的数据
      this.$store.commit('changeTheme');
    },
  },
};
</script>
<style lang="less" scoped>
// 全屏样式的定义
.fullscreen {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  z-index: 100;
}

.screen-container {
  width: 100%;
  height: 100%;
  padding: 0 20px;
  background-color: #161522;
  color: #fff;
  box-sizing: border-box;
}
.screen-header {
  width: 100%;
  height: 60px;
  font-size: 20px;
  position: relative;
  > div {
    img {
      width: 100%;
    }
  }
  .title {
    position: absolute;
    left: 50%;
    top: 50%;
    bottom: -5px;
    font-size: 20px;
    transform: translate(-50%, -50%);
  }
  .title-right {
    display: flex;
    align-items: center;
    position: absolute;
    right: 0px;
    top: 10%;
  }
  .qiehuan {
    width: 28px;
    height: 21px;
    cursor: pointer;
  }
  .datetime {
    font-size: 15px;
    margin-left: 10px;
  }
  .logo {
    position: absolute;
    left: 0px;
    top: 50%;
    transform: translateY(-80%);
    img {
      height: 35px;
      width: 128px;
    }
  }
}
.screen-body {
  width: 100%;
  height: 100%;
  display: flex;
  margin-top: 5px;
  .screen-left {
    height: 100%;
    width: 28%;
    #left-top {
      height: 48%;
      position: relative;
    }
    #left-bottom {
      height: 36%;
      margin-top: 10px;
      position: relative;
    }
  }
  .screen-middle {
    height: 100%;
    width: 42%;
    margin-left: 0.6%;
    margin-right: 0.6%;
    #middle-top {
      width: 100%;
      height: 52%;
      position: relative;
    }
    #middle-bottom {
      margin-top: 10px;
      width: 100%;
      height: 32%;
      position: relative;
    }
  }
  .screen-right {
    height: 100%;
    width: 28%;
    #right-top {
      height: 46%;
      position: relative;
    }
    #right-bottom {
      height: 38%;
      margin-top: 10px;
      position: relative;
    }
  }
}
.resize {
  position: absolute;
  right: 20px;
  top: 20px;
  cursor: pointer;
}
</style>